:root {
    --color-primary: #556B2F;
    /* Olive Drab */
    --color-primary-dark: #3b4d1e;
    --color-secondary: #2F4F4F;
    /* Dark Slate Gray */
    --color-accent: #CD5C5C;
    /* Indian Red / Rust */
    --color-bg: #F5F5DC;
    /* Beige / Off-white */
    --color-bg-dark: #1a1a1a;
    --color-text: #333333;
    --color-text-light: #f4f4f4;

    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Roboto Slab', serif;

    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--color-accent);
    color: var(--color-text-light);
    text-decoration: none;
    text-transform: uppercase;
    font-family: var(--font-heading);
    font-weight: bold;
    border: 2px solid var(--color-accent);
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn:hover {
    background-color: transparent;
    color: var(--color-accent);
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.2rem;
}

.accent {
    color: var(--color-accent);
}

/* Header */
.main-header {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    height: 50px;
    width: auto;
    border-radius: 50%;
    border: 2px solid var(--color-bg);
}

.site-title {
    font-size: 1.5rem;
    margin: 0;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.main-nav a {
    color: var(--color-text-light);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    transition: color 0.3s;
}

.main-nav a:not(.btn):hover {
    color: var(--color-accent);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 2rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background-color: var(--color-primary-dark);
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('assets/gym-bg.jpg');
    /* Fallback if no image */
    background-size: cover;
    background-position: center;
    color: var(--color-text-light);
    padding: 100px 0;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Create a pattern overlay if no image */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: repeating-linear-gradient(45deg,
            rgba(0, 0, 0, 0.1),
            rgba(0, 0, 0, 0.1) 10px,
            rgba(0, 0, 0, 0.2) 10px,
            rgba(0, 0, 0, 0.2) 20px);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Sections */
.section {
    padding: var(--spacing-lg) 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-secondary);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    margin: 10px auto 0;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.feature-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.feature-list li {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.placeholder-box {
    background-color: #ccc;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: #666;
    border: 4px solid var(--color-secondary);
}

/* Programs Section */
.programs-section {
    background-color: #e8e8d8;
    /* Slightly darker beige */
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.program-card {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border-top: 5px solid var(--color-primary);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.program-card:hover {
    transform: translateY(-5px);
}

.program-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

/* Testimonials */
.testimonials-section {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
}

.testimonials-section .section-title {
    color: var(--color-text-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.testimonial {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-accent);
}

.testimonial p {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.testimonial cite {
    font-family: var(--font-heading);
    font-weight: bold;
    color: var(--color-accent);
}

/* CTA Section */
.cta-section {
    text-align: center;
}

.signup-form {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.signup-form input {
    padding: 15px;
    font-size: 1rem;
    border: 2px solid #ccc;
    min-width: 300px;
    font-family: var(--font-body);
}

/* Footer */
.main-footer {
    background-color: #111;
    color: #888;
    padding: var(--spacing-md) 0;
    text-align: center;
}

.social-links {
    margin-top: var(--spacing-sm);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.social-links a {
    color: #888;
    text-decoration: none;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--color-accent);
}

/* Responsive */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        /* Hide nav by default on mobile */
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-secondary);
        padding: var(--spacing-md);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
.fade-in-hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.visible {
    opacity: 1;
    transform: translateY(0);
}